An Atmospheric Constraint on the NO2 Dependence of Daytime Near-Surface Nitrous Acid (HONO)

Sally E. Pusede; Trevor C. VandenBoer; Jennifer G. Murphy; Milos Z. Markovic; Cora J. Young; Patrick R. Veres; James M. Roberts; Rebecca A. Washenfelder; Steven S. Brown; Xinrong Ren; Catalina Tsai; Jochen Stutz; William H. Brune; Eleanor C. Browne; Paul J. Wooldridge; Ashley R. Graham; Robin Weber; Allen H. Goldstein; Sebastien Dusanter; Stephen M. Griffith; Philip S. Stevens; Barry L. Lefer; Ronald C. Cohen

doi:10.1021/acs.est.5b02511

An Atmospheric Constraint on the NO₂ Dependence of Daytime Near-Surface Nitrous Acid (HONO)

Sally E. Pusede, Trevor C. VandenBoer, Jennifer G. Murphy, Milos Z. Markovic, Cora J. Young, Patrick R. Veres, James M. Roberts, Rebecca A. Washenfelder, Steven S. Brown, Xinrong Ren, Catalina Tsai, Jochen Stutz, William H. Brune, Eleanor C. Browne, Paul J. Wooldridge, Ashley R. Graham, Robin Weber, Allen H. Goldstein, Sebastien Dusanter, Stephen M. GriffithPhilip S. Stevens, Barry L. Lefer, Ronald C. Cohen

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25 Scopus citations

Abstract

Recent observations suggest a large and unknown daytime source of nitrous acid (HONO) to the atmosphere. Multiple mechanisms have been proposed, many of which involve chemistry that reduces nitrogen dioxide (NO₂) on some time scale. To examine the NO₂ dependence of the daytime HONO source, we compare weekday and weekend measurements of NO₂ and HONO in two U.S. cities. We find that daytime HONO does not increase proportionally to increases in same-day NO₂, i.e., the local NO₂ concentration at that time and several hours earlier. We discuss various published HONO formation pathways in the context of this constraint.

Original language	English (US)
Pages (from-to)	12774-12781
Number of pages	8
Journal	Environmental Science and Technology
Volume	49
Issue number	21
DOIs	https://doi.org/10.1021/acs.est.5b02511
State	Published - Oct 5 2015

All Science Journal Classification (ASJC) codes

General Chemistry
Environmental Chemistry

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10.1021/acs.est.5b02511

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Pusede, S. E., VandenBoer, T. C., Murphy, J. G., Markovic, M. Z., Young, C. J., Veres, P. R., Roberts, J. M., Washenfelder, R. A., Brown, S. S., Ren, X., Tsai, C., Stutz, J., Brune, W. H., Browne, E. C., Wooldridge, P. J., Graham, A. R., Weber, R., Goldstein, A. H., Dusanter, S., ... Cohen, R. C. (2015). An Atmospheric Constraint on the NO₂ Dependence of Daytime Near-Surface Nitrous Acid (HONO). Environmental Science and Technology, 49(21), 12774-12781. https://doi.org/10.1021/acs.est.5b02511

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title = "An Atmospheric Constraint on the NO2 Dependence of Daytime Near-Surface Nitrous Acid (HONO)",

abstract = "Recent observations suggest a large and unknown daytime source of nitrous acid (HONO) to the atmosphere. Multiple mechanisms have been proposed, many of which involve chemistry that reduces nitrogen dioxide (NO2) on some time scale. To examine the NO2 dependence of the daytime HONO source, we compare weekday and weekend measurements of NO2 and HONO in two U.S. cities. We find that daytime HONO does not increase proportionally to increases in same-day NO2, i.e., the local NO2 concentration at that time and several hours earlier. We discuss various published HONO formation pathways in the context of this constraint.",

author = "Pusede, {Sally E.} and VandenBoer, {Trevor C.} and Murphy, {Jennifer G.} and Markovic, {Milos Z.} and Young, {Cora J.} and Veres, {Patrick R.} and Roberts, {James M.} and Washenfelder, {Rebecca A.} and Brown, {Steven S.} and Xinrong Ren and Catalina Tsai and Jochen Stutz and Brune, {William H.} and Browne, {Eleanor C.} and Wooldridge, {Paul J.} and Graham, {Ashley R.} and Robin Weber and Goldstein, {Allen H.} and Sebastien Dusanter and Griffith, {Stephen M.} and Stevens, {Philip S.} and Lefer, {Barry L.} and Cohen, {Ronald C.}",

note = "Publisher Copyright: {\textcopyright} 2015 American Chemical Society.",

year = "2015",

month = oct,

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doi = "10.1021/acs.est.5b02511",

language = "English (US)",

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Pusede, SE, VandenBoer, TC, Murphy, JG, Markovic, MZ, Young, CJ, Veres, PR, Roberts, JM, Washenfelder, RA, Brown, SS, Ren, X, Tsai, C, Stutz, J, Brune, WH, Browne, EC, Wooldridge, PJ, Graham, AR, Weber, R, Goldstein, AH, Dusanter, S, Griffith, SM, Stevens, PS, Lefer, BL & Cohen, RC 2015, 'An Atmospheric Constraint on the NO₂ Dependence of Daytime Near-Surface Nitrous Acid (HONO)', Environmental Science and Technology, vol. 49, no. 21, pp. 12774-12781. https://doi.org/10.1021/acs.est.5b02511

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T1 - An Atmospheric Constraint on the NO2 Dependence of Daytime Near-Surface Nitrous Acid (HONO)

AU - Pusede, Sally E.

AU - VandenBoer, Trevor C.

AU - Murphy, Jennifer G.

AU - Markovic, Milos Z.

AU - Young, Cora J.

AU - Veres, Patrick R.

AU - Roberts, James M.

AU - Washenfelder, Rebecca A.

AU - Brown, Steven S.

AU - Ren, Xinrong

AU - Tsai, Catalina

AU - Stutz, Jochen

AU - Brune, William H.

AU - Browne, Eleanor C.

AU - Wooldridge, Paul J.

AU - Graham, Ashley R.

AU - Weber, Robin

AU - Goldstein, Allen H.

AU - Dusanter, Sebastien

AU - Griffith, Stephen M.

AU - Stevens, Philip S.

AU - Lefer, Barry L.

AU - Cohen, Ronald C.

PY - 2015/10/5

Y1 - 2015/10/5

N2 - Recent observations suggest a large and unknown daytime source of nitrous acid (HONO) to the atmosphere. Multiple mechanisms have been proposed, many of which involve chemistry that reduces nitrogen dioxide (NO2) on some time scale. To examine the NO2 dependence of the daytime HONO source, we compare weekday and weekend measurements of NO2 and HONO in two U.S. cities. We find that daytime HONO does not increase proportionally to increases in same-day NO2, i.e., the local NO2 concentration at that time and several hours earlier. We discuss various published HONO formation pathways in the context of this constraint.

AB - Recent observations suggest a large and unknown daytime source of nitrous acid (HONO) to the atmosphere. Multiple mechanisms have been proposed, many of which involve chemistry that reduces nitrogen dioxide (NO2) on some time scale. To examine the NO2 dependence of the daytime HONO source, we compare weekday and weekend measurements of NO2 and HONO in two U.S. cities. We find that daytime HONO does not increase proportionally to increases in same-day NO2, i.e., the local NO2 concentration at that time and several hours earlier. We discuss various published HONO formation pathways in the context of this constraint.

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An Atmospheric Constraint on the NO₂ Dependence of Daytime Near-Surface Nitrous Acid (HONO)

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